England bowler Stuart Broad has come under doubt for the remainder of the first Ashes Test after he was hit on his troublesome shoulder by James Pattinson while batting at Trent Bridge on Wednesday.
Australia have sprung a surprise by picking untried spinner Michael Beer in a revamped 12-man squad for the third Ashes Test starting in Perth next week.
IMAGES from Day 4 of the 2nd Ashes Test played at the Adelaide Oval in Adelaide on Tuesday
Joe Root again put Australia's bowlers to the sword and together with Ian Bell gave England the platform on Friday to push for victory in the first Ashes Test after setting the tourists 412 to win with two days remaining.
England are aiming to avoid their first series defeat at home to the visitors since 2001 when they lost 4-1 to an Australian side led by Steve Waugh.
Smith, however, had developed symptoms overnight and after further testing on Sunday, which is part of the process, Saw ruled him out of the fifth day.
The Sun had reported that underground bookmakers from India had offered to sell undercover reporters from the newspaper information about spot-fixing in the Test between Australia and England, which was played in Perth from December 14-18.
'Everybody talks about his age but with Jimmy you have to take age out of it. If he keeps taking wickets he keeps playing. If he doesn't, he doesn't, it's that simple.'
Australia captain Steve Smith brushed off concerns about his fitness on the eve of the fifth and final Ashes Test against England on Wednesday before Mitchell Starc's return to spearhead the pace attack was confirmed as the only change to his team.
'England will not call up a replacement for the third Ashes Test, which starts at Headingley on Thursday.'
Mitchell Marsh is expected to lead in Cummins's absence. The all-rounder is also in contention to be named Australia's T20 skipper.
Factbox on the fifth Ashes Test match between Australia and England, which starts on Thursday:
Photos from the 4th Ashes Test played in Chester-le-Street, County Durham on Friday.
Bazball is fine, but England Test team needs common sense: Boycott
IMAGES from Day 1 of the fourth Ashes Test between England and Australia at Old Trafford in Manchester on Wednesday.
Nathan Lyon limps off with calf injury
England recalled troubled left-arm spinner Monty Panesar on Monday and named three uncapped players in a 17-man squad for the return Ashes series in Australia that starts in November.
Being humiliated by 405 runs in the second Ashes Test by Australia was a setback but England will not dwell on it when the third Test gets underway at Edgbaston on Wednesday.
Batsmen Ian Bell was named on Sunday in England's 13-man squad for the third Ashes Test against Australia, starting at Edgbaston on Thursday. The 27-year-old right-hander, who has not played international cricket since February, comes into the side after Kevin Pietersen was ruled out of the rest of the series following surgery on an Achilles tendon injury.
England completed a crushing 347-run victory over Australia with a day to spare in the second Ashes Test on Sunday to take a 2-0 lead in the five-match series.
England slumped to 307 for eight in their first innings on the opening day of the fifth Ashes Test at the Oval on Thursday through a combination of indifferent shots and disciplined Australian pace bowling.
Ian Bell will replace injured Kevin Pietersen at number four in the England batting order in this week's third Ashes Test against Australia, captain Andrew Strauss said on Monday. Strauss also expects paceman Andrew Flintoff to be available after he bowled England to a victory in the second Test at Lord's despite a painful knee.
England fought their way into the ascendancy on the opening day of the first Ashes Test on Wednesday before two late wickets put Australia firmly back in the match.
Australia captain Michael Clarke said he was confident paceman Ryan Harris would be fit to face England in the third Ashes Test on Friday but all-rounder James Faulkner has been ruled out of the match with a broken thumb.
Australian vice-captain Brad Haddin has said that he knew he was out and did not need to wait for the replay to determine that he had hit the ball, which brought the end of the first Ashes Test, that went in favour of England.
Factbox on the second Test match between Australia and England, which starts on Saturday:
Peter Nevill has got the nod ahead of Brad Haddin as Australia's wicketkeeper for the third Ashes Test against England at Edgbaston, captain Michael Clarke confirmed on Tuesday.
Tongue is the only change to the side that lost the first Ashes Test
England all-rounder Moeen Ali said he will not travel to India next year for the Test series.
The leg-spinner was the only change to the side that thrashed England in each of the first three Tests to clinch the five-match series.
Leg-spinner Adil Rashid and paceman Steven Finn were included in England's 13-man squad named on Wednesday for next week's first Ashes Test against Australia.
The first morning of the second Ashes Test at Lord's was interrupted when two Just Stop Oil protesters ran on to the ground and scattered orange powder on the outfield.
Ryan Harris claimed six wickets for 47 runs as Australia beat England by 267 runs in the third Ashes Test at the WACA on Sunday to level the series at 1-1 with two matches remaining.
Images from Day 3 of the 3rd Ashes Test played at the WACA in Perth on Saturday
Smith was ruled out of the third Test due to concussion and Hohns said the form of his replacement, Marnus Labuschagne, would be a factor in finalising the batting order.
Three fielders on the off and three on the on, all close to the stumps, designed to intimidate the batter and get him out.
Australia captain Steve Smith said the all-rounder would be included, probably for Peter Handscomb, if the WACA track is not quick enough.
'Ultimately, (Australia captain) Pat Cummins is a really great guy and I would be amazed, once the emotion settles, if he does not sit back and think, 'I got that one wrong', even though his bottom line at the time was winning a Test match.'
Captains struggle with decision reviews in second Test